Also known as historical era, historical epoch, period, era, time period, time periods, historical periods, period of history
歴史における時間区分
via Wikidata · CC0
時代（じだい）とは、時間の継続性の観点で特徴を持った1区切りを指す。
Abstract from DBpedia / Wikipedia · CC BY-SA
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).